Discovering Relations Between Named Entities from a Large Raw Corpus Using Tree Similarity-Based Clustering Min Zhang author Jian Su author Danmei Wang author Guodong Zhou author Chew Lim Tan author 2005 text Second International Joint Conference on Natural Language Processing: Full Papers conference publication zhang-etal-2005-discovering 10.1007/11562214_34 https://aclanthology.org/I05-1034/ 2005